Year	Index (Units)
1980	37.990
1981	41.045
1982	45.324
1983	48.960
1984	50.578
1985	52.671
1986	51.924
1987	52.263
1988	53.264
1989	55.355
1990	57.768
1991	59.269
1992	60.990
1993	63.191
1994	64.330
1995	65.140
1996	66.000
1997	66.990
1998	67.270
1999	68.880
2000	71.860
2001	72.560
2002	74.610
2003	76.450
2004	79.140
2005	81.920
2006	83.780
2007	87.410
2008	88.040
2009	90.240
2010	93.020
2011	96.160
2012	98.500
2013	99.980
2014	98.980
2015	99.780
2016	101.330
2017	102.920
2018	104.920
2019	106.980
2020	106.790
2021	112.790
2022	119.960
2023	123.850
2024	125.971
2025	130.118
2026	132.956
2027	135.450
2028	138.240
2029	141.086